Repository of problems worth solving
World Solve is a public institutional repository for identifying real unresolved problems across science, society, health, governance, economics, and local systems. Each entry is intended to be citable, inspectable, and actionable.
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4194Total
4194Open
0Solved
9Humans
Create reliable hybrid energy systems for isolated sites with high, variable loads where diesel remains entrenched because outages are extremely costly.
climate-environment
oceania
australia
diesel
replacing
remote
mining
industrial
microgrids
create
reliable
hybrid
energy
systems
society-governance
economics-resources
global-unspecified
whether
Build low-cost standards, inverters, storage coordination, and incentive systems that enable high rooftop-solar adoption without destabilizing distribution grids.
climate-environment
asia
india
systems
grid
integration
millions
unreliable
rooftop
solar
build
low-cost
standards
society-governance
technology-computing
economics-resources
global-unspecified
mathematics-logic
Develop economically viable technologies and markets for end-of-life turbine blades, which are difficult to separate, recycle, transport, and repurpose.
economics-resources
europe
denmark
blades
recycling
composite
wind-turbine
scale
develop
economically
viable
technologies
markets
safe
efficient
global-unspecified
advanced
haven
Create transparent testing, household behavior, public infrastructure, and maintenance strategies so families consistently access safe water rather than reverting to contaminated sources.
economics-resources
asia
bangladesh
safe
reducing
arsenic
exposure
wells
unevenly
distributed
create
transparent
testing
public
climate-environment
society-governance
access
systems
Establish practical measurement methods and interventions for microplastics moving from rivers and sediments into fish, crops, livestock, and human diets.
climate-environment
tracking
microplastic
movement
freshwater
food
systems
establish
practical
measurement
methods
society-governance
human
economics-resources
assessing
reducing
real
time
Design toilets, containment, emptying, transport, and treatment systems that function during floods without exposing residents or sanitation workers to waste.
climate-environment
africa
nigeria
sanitation
making
services
viable
flood-prone
informal
settlements
design
toilets
containment
systems
society-governance
economics-resources
public
technology-computing
Develop equitable restoration plans that improve water quality without simply displacing low-income residents or relocating pollution downstream.
climate-environment
asia
india
restoring
urban
rivers
constrained
informal
settlements
industry
develop
equitable
restoration
society-governance
economics-resources
global-unspecified
water
african
Create desalination systems that minimize energy, brine damage, maintenance burden, and water cost for communities beyond conventional utility networks.
society-governance
africa
cape-verde
desalination
communities
low-energy
isolated
coastal
create
systems
minimize
energy
brine
economics-resources
climate-environment
fishing
social-civic-problems
remote
Develop mapping, treatment, and enforcement strategies where homes, workshops, tanneries, and small factories discharge into the same unmanaged drainage networks.
climate-environment
asia
india
drainage
separating
industrial
wastewater
domestic
informal
settlements
develop
mapping
treatment
economics-resources
society-governance
urban
social-civic-problems
health-biology
open
Sierra Leone, Africa
Design repair financing, local spare-parts networks, remote diagnostics, and accountability models that keep water points functional after initial projects end.
health-biology
africa
sierra-leone
water
maintaining
rural
pumps
donor-funded
installation
design
repair
financing
local
climate-environment
mathematics-logic
public
economics-resources
before
Create low-cost monitoring, recharge, storage, and governance systems for coastal aquifers threatened by sea-level rise and excessive groundwater extraction.
society-governance
asia
bangladesh
preventing
saltwater
intrusion
delta
drinking-water
supplies
create
low-cost
monitoring
recharge
systems
governance
climate-environment
economics-resources
coastal
Map and mitigate heavy metals, flame retardants, acids, and other pollutants leaching from informal electronics-processing sites into drinking-water aquifers.
climate-environment
africa
ghana
informal
detecting
groundwater
contamination
e-waste
recycling
map
mitigate
heavy
metals
settlements
economics-resources
waste
society-governance
global-unspecified
Develop credible worker-centered systems that identify recruitment abuse, debt bondage, and wage theft in supply chains that currently rely on superficial audits.
economics-resources
asia
thailand
supply-chain
chains
detecting
forced
labor
risks
agricultural
commodity
develop
credible
worker-centered
systems
society-governance
across
supply
open
Mexico, North America
Create legal, technical, and cooperative mechanisms that protect farmers' ability to save, exchange, and improve seeds while maintaining quality and disease safety.
health-biology
north-america
mexico
securing
seed
sovereignty
communities
facing
corporate
consolidation
create
legal
technical
economics-resources
society-governance
global-unspecified
systems
community
open
Brazil, South America
Identify affordable feed, breeding, veterinary, and manure-management interventions that lower methane without reducing farmer income or animal health.
climate-environment
south-america
brazil
reducing
methane
emissions
smallholder
ruminants
identify
affordable
feed
breeding
veterinary
society-governance
economics-resources
social-civic-problems
interventions
methods
Develop scalable methods to harvest, process, and use invasive water plants without spreading them further or introducing toxins into feed, compost, or consumer goods.
economics-resources
africa
uganda
invasive
turning
aquatic
weeds
safe
local
products
develop
scalable
methods
species
global-unspecified
public
philosophy-ethics
determine
Map and govern seasonal livestock routes so roads, farms, conservation zones, and private enclosures do not trigger conflict or livestock losses.
economics-resources
asia
mongolia
protecting
pastoralist
mobility
corridors
land
fragmentation
livestock
map
govern
seasonal
wildlife
protected
global-unspecified
reserves
reducing
Develop surveillance and quarantine systems that work across informal nurseries, border markets, and online plant commerce where official controls are weak.
economics-resources
informal
plant
preventing
invasive
pest
spread
trade
develop
surveillance
quarantine
settlements
systems
society-governance
technology-computing
without
public
health-biology
Design cooperative, rental, robotic, or service-based machinery systems suitable for farms too small to justify individual equipment ownership.
economics-resources
asia
india
machinery
improving
access
agricultural
fragmented
landholdings
design
cooperative
rental
robotic
systems
society-governance
across
technology-computing
climate-environment
Create practical monitoring, veterinary access, and disease-prevention systems that reduce indiscriminate antimicrobial use in fish and shrimp farming.
health-biology
asia
vietnam
measuring
reducing
antibiotic
aquaculture
create
practical
monitoring
veterinary
access
disease-prevention
systems
society-governance
economics-resources
climate-environment
technology-computing
